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i have the borla td exhaust and was contemplating and x pipe to replace the h pipe or a y pipe but not sure which one would be better in gains any sugg?
I don't think we are really understanding your question - are you looking to replace the entire exhaust system? the True dual that you have from Borla doesn't have an X or Y pipe in it - could you clarify a little more?
i have the borla td exhaust and was contemplating and x pipe to replace the h pipe or a y pipe but not sure which one would be better in gains any sugg?
The Borla is an anomaly. While it is advertised as a True Dual, it really isn't. It was one of the first 3rd party exhausts released for the "Z" and the "G", and is still extremely popular. When first announced however, Borla touted that it had an "X" type muffler. So each bank is mixed at the "H" and again in the muffler. I don't know if an "X" close to the engine would help an exhaust like that at all. All the other dual systems, that I am aware of, are in fact real duals. HKS, Invidia, Injen, Stillen and etc. The Borla is not.
The "Y" Pipe is used for single exhaust systems (like the stock exhaust) - It's something you don't want, or can use with the Borla.
x- pipe or y- pipe
